REFERENCES
- Barker , P G . 1987 . Author Languages for CA , London : Macmillan .
- Barker , P G . 1988 . “ Towards an Instructional Designer's Intelligent Assistant ” . In Aspects of Educational Technology, Volume XXI Designing New Systems and Technologies for Learning , Edited by: Mathias , H , Rushby , N and Budgett , R . 127 – 134 . London : Kogan Page .
- Barker , P G . 1989a . Basic Principles of Human‐Computer Interface Design , London : Century Hutchinson .
- Barker , P G . Knowledge Engineering for CAL . Proceedings of ECCE ‘88, IFIP European Conference on Computers in Education . July 26th‐29th , Lausanne, Switzerland, North‐Holland, Amsterdam . Edited by: Lovis , F and Tagg , ED . pp. 529 – 535 .
- Barker , P G . 1989c . Multi‐media Computer Assisted Learning , London : Kogan Page .
- Barker , P G and PROUD , A . 1987 . A Practical Introduction to Authoring for Computer Assisted Instruction Part 10: Knowledge‐based CAL . British Journal of Educational Technology , 18 ( 2 ) : 140 – 160 .
- DELTA . 1987a . Development of European Learning Through Technological Advance‐Initial Studies , Brussels : The Commission of the European Communities (DG XIII) .
- DELTA . 1987b . “ Authoring Facility ” . In Development of European Learning Through Technological Advance ‐‐ Initial Studies , 211 – 239 . Brussels : The Commission of the European Communities (DG XIII) .
- DELTA . 1988 . Workplan for DELTA Exploratory Action, Document DE10 , Brussels : The Commission of the European Communities (DG XIII) .
- Rushby , N J . 1986 . A Knowledge‐engineering Approach to Instructional Design . The Computer Journal , 29 ( 5 ) : 385 – 389 .
- Whiting , J . 1988 . Development of Intelligent Tutoring Systems for Open and Distance Learning . Engineering Applications of Artificial Intelligence , 1 ( 2 ) : 126 – 137 .
- Whiting , J and Bell , D A , eds. 1987 . Tutoring and Monitoring Facilities for European Open Learning , Amsterdam : North‐Holland .